In one sentence
A Pillar Page ("pillar" = supporting column) is a long-form, complete-guide article on a specific theme that is meant to be "the one article that covers everything." It is the core of the topic cluster strategy.
What does it look like in practice?
For example, you might create a single page called "Complete Guide to GEO" that covers:
- The definition of GEO
- Differences from SEO
- Current state of the industry
- Concrete tactics
- How to think about ROI
It is written systematically so that . As a rule of thumb, 3,000–5,000 characters.